to.etc.webapp.qsql

Class JdbcQuery<T>

java.lang.Object

to.etc.webapp.qsql.JdbcQuery<T>

public class JdbcQuery<T>
extends Object

Encapsulates an actual query.

Author:

Frits Jalvingh Created on Aug 25, 2009

Constructor Summary

Constructors

Constructor and Description
JdbcQuery(String sql, List<to.etc.webapp.qsql.IInstanceMaker> retrieverList, List<IQValueSetter> vl, int start, int limit, int timeout)

Method Summary

Modifier and Type	Method and Description
static <T> JdbcQuery<T>	create(QCriteria<T> q)
static <T> JdbcQuery<T>	create(QSelection<T> q)
void	dump()
static <T> T	find(QDataContext dc, Class<T> clz, Object pk)
static <T> T	getInstance(QDataContext dc, Class<T> clz, Object pk) Get an instance; this will return an instance by first trying to load it; if that fails it will create one but only fill the PK.
List<?>	query(QDataContext dc)
static <T> List<T>	query(QDataContext dc, QCriteria<T> q)
static List<Object[]>	query(QDataContext dc, QSelection<?> sel)
static <T> T	queryOne(QDataContext dc, QCriteria<T> q)
static Object[]	queryOne(QDataContext dc, QSelection<?> q)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JdbcQuery

public JdbcQuery(String sql,
                 List<to.etc.webapp.qsql.IInstanceMaker> retrieverList,
                 List<IQValueSetter> vl,
                 int start,
                 int limit,
                 int timeout)

Method Detail

query

public List<?> query(QDataContext dc)
              throws Exception

Throws:

Exception

create

public static <T> JdbcQuery<T> create(QCriteria<T> q)
                               throws Exception

Throws:

Exception

create

public static <T> JdbcQuery<T> create(QSelection<T> q)
                               throws Exception

Throws:

Exception

dump

public void dump()

find

public static <T> T find(QDataContext dc,
                         Class<T> clz,
                         Object pk)
                  throws Exception

Type Parameters:

T -

Parameters:

clz -

pk -

Returns:

Throws:

Exception

getInstance

public static <T> T getInstance(QDataContext dc,
                                Class<T> clz,
                                Object pk)
                         throws Exception

Get an instance; this will return an instance by first trying to load it; if that fails it will create one but only fill the PK. Use is questionable though.

Throws:

Exception

See Also:

QDataContext.getInstance(java.lang.Class, java.lang.Object)

query

public static <T> List<T> query(QDataContext dc,
                                QCriteria<T> q)
                         throws Exception

Throws:

Exception

query

public static List<Object[]> query(QDataContext dc,
                                   QSelection<?> sel)
                            throws Exception

Throws:

Exception

queryOne

public static <T> T queryOne(QDataContext dc,
                             QCriteria<T> q)
                      throws Exception

Throws:

Exception

queryOne

public static Object[] queryOne(QDataContext dc,
                                QSelection<?> q)
                         throws Exception

Throws:

Exception